Home / 11,516.10-17,273.44-4,120.20

Finding the Fourth Proportional to 11,516.10, 17,273.44 and 4,120.20

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Solution

The fourth proportional to 11,516.10, 17,273.44 and 4,120.20 is: 6,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.10 : 17,273.44 = 4,120.20 : x
  2. Step 2: Convert to fraction form
    11,516.10/17,273.44 = 4,120.20/x
  3. Step 3: Cross multiply
    11,516.10x = 17,273.44 × 4,120.20
  4. Step 4: Simplify right side
    11,516.10x = 71,170,027.49
  5. Step 5: Solve for x
    x = 71,170,027.49/11,516.10
  6. Step 6: Final answer
    x = 6,180.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.